@INBOOK {WILSON: 1986a, title = {New concepts for post-clearing land management in the tropics}, author = {Wilson, G. F. and Lal, R. }, year = {1986}, type = {Land Clearing and Development in the tropics edited by R. Lal, P. Sanchez and R. Cummings. Rotterdam, A. Balkema}, pages = {371--381}, }